1CFG_LTC_OPTEE_THREAD ?= y 2# Size of emulated TrustZone protected SRAM, 448 kB. 3# Only applicable when paging is enabled. 4CFG_CORE_TZSRAM_EMUL_SIZE ?= 458752 5CFG_LPAE_ADDR_SPACE_SIZE ?= (1ull << 32) 6 7CFG_MMAP_REGIONS ?= 13 8 9ifeq ($(CFG_ARM64_core),y) 10CFG_KERN_LINKER_FORMAT ?= elf64-littleaarch64 11CFG_KERN_LINKER_ARCH ?= aarch64 12else 13ifeq ($(CFG_ARM32_core),y) 14CFG_KERN_LINKER_FORMAT ?= elf32-littlearm 15CFG_KERN_LINKER_ARCH ?= arm 16else 17$(error Error: CFG_ARM64_core or CFG_ARM32_core should be defined) 18endif 19endif 20 21ifeq ($(CFG_TA_FLOAT_SUPPORT),y) 22# Use hard-float for floating point support in user TAs instead of 23# soft-float 24CFG_WITH_VFP ?= y 25ifeq ($(CFG_ARM64_core),y) 26# AArch64 has no fallback to soft-float 27$(call force,CFG_WITH_VFP,y) 28endif 29ifeq ($(CFG_WITH_VFP),y) 30platform-hard-float-enabled := y 31endif 32endif 33 34CFG_CORE_RWDATA_NOEXEC ?= y 35CFG_CORE_RODATA_NOEXEC ?= n 36ifeq ($(CFG_CORE_RODATA_NOEXEC),y) 37$(call force,CFG_CORE_RWDATA_NOEXEC,y) 38endif 39# 'y' to set the Alignment Check Enable bit in SCTLR/SCTLR_EL1, 'n' to clear it 40CFG_SCTLR_ALIGNMENT_CHECK ?= y 41 42ifeq ($(CFG_WITH_PAGER),y) 43ifeq ($(CFG_CORE_SANITIZE_KADDRESS),y) 44$(error Error: CFG_CORE_SANITIZE_KADDRESS not compatible with CFG_WITH_PAGER) 45endif 46endif 47 48ifeq ($(CFG_CORE_LARGE_PHYS_ADDR),y) 49$(call force,CFG_WITH_LPAE,y) 50endif 51 52ifeq ($(CFG_ARM32_core),y) 53# Configration directive related to ARMv7 optee boot arguments. 54# CFG_PAGEABLE_ADDR: if defined, forces pageable data physical address. 55# CFG_NS_ENTRY_ADDR: if defined, forces NS World physical entry address. 56# CFG_DT_ADDR: if defined, forces Device Tree data physical address. 57endif 58 59core-platform-cppflags += -I$(arch-dir)/include 60core-platform-subdirs += \ 61 $(addprefix $(arch-dir)/, kernel mm tee pta) $(platform-dir) 62 63ifneq ($(CFG_WITH_ARM_TRUSTED_FW),y) 64core-platform-subdirs += $(arch-dir)/sm 65endif 66 67arm64-platform-cppflags += -DARM64=1 -D__LP64__=1 68arm32-platform-cppflags += -DARM32=1 -D__ILP32__=1 69 70platform-cflags-generic ?= -g -ffunction-sections -fdata-sections -pipe 71platform-aflags-generic ?= -g -pipe 72 73arm32-platform-cflags-no-hard-float ?= -mfloat-abi=soft 74arm32-platform-cflags-hard-float ?= -mfloat-abi=hard -funsafe-math-optimizations 75arm32-platform-cflags-generic ?= -mthumb -mthumb-interwork \ 76 -fno-short-enums -fno-common -mno-unaligned-access 77arm32-platform-aflags-no-hard-float ?= 78 79arm64-platform-cflags-no-hard-float ?= -mgeneral-regs-only 80arm64-platform-cflags-hard-float ?= 81arm64-platform-cflags-generic ?= -mstrict-align 82 83ifeq ($(DEBUG),1) 84platform-cflags-optimization ?= -O0 85else 86platform-cflags-optimization ?= -Os 87endif 88 89platform-cflags-debug-info ?= -g3 90platform-aflags-debug-info ?= 91 92core-platform-cflags += $(platform-cflags-optimization) 93core-platform-cflags += $(platform-cflags-generic) 94core-platform-cflags += $(platform-cflags-debug-info) 95 96core-platform-aflags += $(platform-aflags-generic) 97core-platform-aflags += $(platform-aflags-debug-info) 98 99ifeq ($(CFG_ARM64_core),y) 100arch-bits-core := 64 101core-platform-cppflags += $(arm64-platform-cppflags) 102core-platform-cflags += $(arm64-platform-cflags) 103core-platform-cflags += $(arm64-platform-cflags-generic) 104core-platform-cflags += $(arm64-platform-cflags-no-hard-float) 105core-platform-aflags += $(arm64-platform-aflags) 106else 107arch-bits-core := 32 108core-platform-cppflags += $(arm32-platform-cppflags) 109core-platform-cflags += $(arm32-platform-cflags) 110core-platform-cflags += $(arm32-platform-cflags-no-hard-float) 111ifeq ($(CFG_UNWIND),y) 112core-platform-cflags += -funwind-tables 113endif 114core-platform-cflags += $(arm32-platform-cflags-generic) 115core-platform-aflags += $(core_arm32-platform-aflags) 116core-platform-aflags += $(arm32-platform-aflags) 117endif 118 119ifneq ($(filter ta_arm32,$(ta-targets)),) 120# Variables for ta-target/sm "ta_arm32" 121CFG_ARM32_ta_arm32 := y 122arch-bits-ta_arm32 := 32 123ta_arm32-platform-cppflags += $(arm32-platform-cppflags) 124ta_arm32-platform-cflags += $(arm32-platform-cflags) 125ta_arm32-platform-cflags += $(platform-cflags-optimization) 126ta_arm32-platform-cflags += $(platform-cflags-debug-info) 127ta_arm32-platform-cflags += -fpie 128ta_arm32-platform-cflags += $(arm32-platform-cflags-generic) 129ifeq ($(platform-hard-float-enabled),y) 130ta_arm32-platform-cflags += $(arm32-platform-cflags-hard-float) 131else 132ta_arm32-platform-cflags += $(arm32-platform-cflags-no-hard-float) 133endif 134ifeq ($(CFG_UNWIND),y) 135ta_arm32-platform-cflags += -funwind-tables 136endif 137ta_arm32-platform-aflags += $(platform-aflags-generic) 138ta_arm32-platform-aflags += $(platform-aflags-debug-info) 139ta_arm32-platform-aflags += $(arm32-platform-aflags) 140 141ta-mk-file-export-vars-ta_arm32 += CFG_ARM32_ta_arm32 142ta-mk-file-export-vars-ta_arm32 += ta_arm32-platform-cppflags 143ta-mk-file-export-vars-ta_arm32 += ta_arm32-platform-cflags 144ta-mk-file-export-vars-ta_arm32 += ta_arm32-platform-aflags 145 146ta-mk-file-export-add-ta_arm32 += CROSS_COMPILE ?= arm-linux-gnueabihf-_nl_ 147ta-mk-file-export-add-ta_arm32 += CROSS_COMPILE32 ?= $$(CROSS_COMPILE)_nl_ 148ta-mk-file-export-add-ta_arm32 += CROSS_COMPILE_ta_arm32 ?= $$(CROSS_COMPILE32)_nl_ 149endif 150 151ifneq ($(filter ta_arm64,$(ta-targets)),) 152# Variables for ta-target/sm "ta_arm64" 153CFG_ARM64_ta_arm64 := y 154arch-bits-ta_arm64 := 64 155ta_arm64-platform-cppflags += $(arm64-platform-cppflags) 156ta_arm64-platform-cflags += $(arm64-platform-cflags) 157ta_arm64-platform-cflags += $(platform-cflags-optimization) 158ta_arm64-platform-cflags += $(platform-cflags-debug-info) 159ta_arm64-platform-cflags += -fpie 160ta_arm64-platform-cflags += $(arm64-platform-cflags-generic) 161ifeq ($(platform-hard-float-enabled),y) 162ta_arm64-platform-cflags += $(arm64-platform-cflags-hard-float) 163else 164ta_arm64-platform-cflags += $(arm64-platform-cflags-no-hard-float) 165endif 166ta_arm64-platform-aflags += $(platform-aflags-generic) 167ta_arm64-platform-aflags += $(platform-aflags-debug-info) 168ta_arm64-platform-aflags += $(arm64-platform-aflags) 169 170ta-mk-file-export-vars-ta_arm64 += CFG_ARM64_ta_arm64 171ta-mk-file-export-vars-ta_arm64 += ta_arm64-platform-cppflags 172ta-mk-file-export-vars-ta_arm64 += ta_arm64-platform-cflags 173ta-mk-file-export-vars-ta_arm64 += ta_arm64-platform-aflags 174 175ta-mk-file-export-add-ta_arm64 += CROSS_COMPILE64 ?= $$(CROSS_COMPILE)_nl_ 176ta-mk-file-export-add-ta_arm64 += CROSS_COMPILE_ta_arm64 ?= $$(CROSS_COMPILE64)_nl_ 177endif 178 179# Set cross compiler prefix for each submodule 180$(foreach sm, core $(ta-targets), $(eval CROSS_COMPILE_$(sm) ?= $(CROSS_COMPILE$(arch-bits-$(sm))))) 181